Home / 993,831,975.60-1,490,733,966.60-448,572,634.80

Finding the Fourth Proportional to 993,831,975.60, 1,490,733,966.60 and 448,572,634.80

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Solution

The fourth proportional to 993,831,975.60, 1,490,733,966.60 and 448,572,634.80 is: 672,852,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,831,975.60 : 1,490,733,966.60 = 448,572,634.80 : x
  2. Step 2: Convert to fraction form
    993,831,975.60/1,490,733,966.60 = 448,572,634.80/x
  3. Step 3: Cross multiply
    993,831,975.60x = 1,490,733,966.60 × 448,572,634.80
  4. Step 4: Simplify right side
    993,831,975.60x = 668,702,463,183,617,152
  5. Step 5: Solve for x
    x = 668,702,463,183,617,152/993,831,975.60
  6. Step 6: Final answer
    x = 672,852,634.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.